Allfishes
Sander
Sander lucioperca
There are 8-12 short, broad, brown-black horizontal stripes on the sides. The dorsal and caudal fins …
Freshwater
Freshwater fish spend part or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%.
Showing 169–192 of 245
Sauger
Stizostedion canadense
The body of the sauger is slender and almost cylindrical, and the head is long and …
Scaly osman
Diptychus maculatus
The body of the Scaly osman is fusiform (spindle-shaped), elongate, and shallow. The mouth is inferior …
Shad, Alabama
Alosa alabamae
It has a large terminal mouth with upper and lower jaws of almost equal length. The …
Shad, American
Alosa sapidissima
The laterally compressed, rather deep body of the American shad is silvery white, with some amount …
Shad, Gizzard
Dorosoma cepedianum
The gizzard shad is one of two freshwater members of the herring family that has a …
Shad, Hickory
Alosa mediocris
Gray-green on the back and transitioning to silver on the sides, the hickory shad has transparent …
Shad, Threadfin
Dorosoma petenense
The threadfin shad has a silvery color and a deeply compressed body, most easily recognized by …
Shiner, Common
Luxilus cornutus
The common shiner is silvery with a deeply compressed body, a dark dorsal stripe, large eyes, …
Shiner, Emerald
Notropis atherinoides
The Emerald Shiner is a slender, elongated fish with a pale silvery slate body that is …
Shiner, Golden
Notemigonus crysoleucas
The golden shiner has a deep, compressed body that is usually a golden yellow or brassy …
Shiner, Striped
Luxilus chrysocephalus
The striped shiner is a silvery, laterally compressed minnow with large eyes and a terminal mouth. …
Siamese fighting fish
Betta splendens
The body of the Siamese fighting fish is oval, flattened at the sides and elongated in …
Siberian sturgeon
Huso baerii
The Siberian sturgeon has a spindle-shaped body with several longitudinal rows of bumps. Its short, triangular …
Silver carp
Hypophthalmichthys molitrix
The body of the silver carp is quite deep, moderately elongated, and covered with small, easily …
Slender piranha
Serrasalmus elongatus
The most important feature of the slender piranha, which is reflected in its name, is its …
Smallscale archerfish
Toxotes microlepis
The smallscale archerfish has a pointed snout and large eyes. Their back is relatively flat and …
Smelt, Rainbow
Osmerus mordax
A slender, silvery fish with a pale green or olive green back. When fresh, the sides …
Snook, Common
Centropomus undecimalis
A silvery fish with a yellow-green or olive hue, it has a streamlined and slender body …
Snook: Fat Snook, Swordspine Snook, Tarpon Snook
Centropomus parallelus, Centropomus ensiferus, Centropomus pectinatus
The fat snook has a deeper body than other snook, although it is not severely compressed. …
Southern ninespine stickleback
Pungitius platygaster
The southern ninespine stickleback can be distinguished from its European relatives by the large flaps on …
Speckled peacock bass
Cichla temensis
Speckled peacock bass has dark spots on the operculum and three distinctive vertical black stripes on …
Spined loach
Cobitis taenia
The spined loach has a long, slender body, slightly compressed laterally, which helps it move easily …
Splake
Salvelinus namaycush x Salvelinus fontinalis
Splake are difficult to identify externally as they resemble both parents. The body shape is intermediate …